JW WINCOHex-Head Stop Bolts with Retaining Magnet & Lock Nut

JW WINCO Workholding Stop Bolt: M12 Thread Size

SKU 3G-OTH-528551

Brand

JW WINCO

Item

Workholding Stop Bolt: M12 Thread Size

Technical Specifications

JW WINCO

Manufacturer Part Number

251.6-M12-40-ND 

Type

Zinc Plated Steel Bolt – Zinc Plated Steel Nut 

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Technical Documents

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JW WINCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The JW WINCO Workholding Stop Bolt (M12 Thread Size) is a hex-head stop bolt with retaining magnet and lock nut, constructed from zinc plated steel bolt and zinc plated steel nut (MPN 251.6-M12-40-ND). 3G Electric interprets customer demand and delivers this genuine industrial component across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor, not a limit.

Frequently Asked Questions

What is JW WINCO Workholding Stop Bolt used for?

The JW WINCO Workholding Stop Bolt is used in machining and workholding setups to precisely locate and stop workpieces. Its hex head, retaining magnet, and lock nut provide secure positioning and quick adjustments on fixtures and jigs.

What are the specifications of JW WINCO Workholding Stop Bolt?

The JW WINCO Workholding Stop Bolt has an M12 thread size, is made of zinc plated steel bolt and zinc plated steel nut, and carries the manufacturer part number 251.6-M12-40-ND. It is a hex-head stop bolt with retaining magnet and lock nut.

Where to buy JW WINCO Workholding Stop Bolt worldwide?

3G Electric supplies and delivers the JW WINCO Workholding Stop Bolt worldwide. We handle full logistics and customs clearance, sourcing genuine industrial components across 14 departments including machining, with specialist expertise in combustion, pumps and controls.

How to install JW WINCO Workholding Stop Bolt?

To install the JW WINCO Workholding Stop Bolt, thread the M12 bolt into a tapped hole on your fixture or workholding plate. Tighten the lock nut to secure the position. The retaining magnet holds the bolt in place during adjustments. Always follow standard workholding safety practices.

Used in

Common applications for JW WINCO

Machinery assembly — JW WINCO self-locking bearing locknuts (e.g., 1804.1-M50X1.5) for securing bearings on shafts in gearboxes and conveyors.

Fixture building — JW WINCO horizontal U-latch toggle clamps (e.g., 851.3-700-T6) for quick clamping in welding jigs and assembly fixtures.

Material handling — JW WINCO quick-release hoist rings (e.g., 1135-M12-17-ST) for lifting heavy components in manufacturing cells.

Shaft positioning — JW WINCO one-piece shaft collars (e.g., 5WG46/A) for retaining bearings or acting as stops on linear motion systems.

Linkage systems — JW WINCO stainless steel clevis rod ends (e.g., 8NXBIS) for connecting pneumatic cylinders or actuators in automated equipment.

Clamping arm extension — JW WINCO rigid clamping arm extenders (e.g., 801.1-85-16-ST) for increasing reach on toggle clamps in custom fixtures.

JW WINCO Products

3G Electric supplies JW WINCO hex-head stop bolts with retaining magnet & lock nut. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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